Therapeutic Effect and Mechanism of Oxytropis falcata Gel on Deep Second-Degree Burn in Rats

Figure 3

CD34 expression of immunohistochemical (×400). The staining CD34 protein (fuscescent ones) could represent blood vessel. The capillary was new generated in the reparative process and the coarse vessels were existing. (a) Model group, (b) vehicle control, (c) low-dose group, (d) middle-dose group, (e) high-dose group, (f) positive control, and (g) normal control. 1: 7 d, 2: 14 d, and 3: 21 d.

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